from dataclasses import dataclass


@dataclass
class Album:
    title: str
    cover: str | None
    artist: str
    id: str
    url: str
    release: str
    track_urls: dict[str, int]


@dataclass
class Track:
    title: str
    cover: str | None
    artist: str
    id: str
    url: str
    lyrics: str
    release: str
    number: int
    album: Album | None
